18149+1516 ROE 122

 
 
18h 14m 54.22s +15 15' 42.8" P.A. 268 sep 6.9 mag 10.62,11.00
 
 
Coord 2000
18149+1516
Discov num
ROE 122
Comp
Coord arcsec 2000
18 14 54.22 +15 15 42.8
Date first
1896
Date last
2010
Obs
9
Pa first
272
Pa last
268
P.A. Now (θ)
268°
Sep first
7.4
Sep last
6.9
Sep. Now (ρ)
6.9"
Mag pri
10.62
Mag sec
11.00
delta mag (ΔM)
0.38
Spectral class
Pri motion ra
-009
Sec motion ra
-003
Pri motion dec
+020
Sec motion dec
+016
Notes
rPM=0.329
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
268
Precise sep
6.92
Constellation
Hercules
Tycho2
1567-00207-1
last precise pa
268
last precise sep
6.92
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18149+1516 ROE 122 1998 6 268 6.7 10.62 11.00 D 181454.22+151542.8
18149+1516 ROE 122 2008 7 269 6.8 10.62 11.00 D 181454.22+151542.8
18149+1516 ROE 122 2010 9 269 6.0 10.62 11.00 181454.22+151542.8

If you need more information about this double, apply for a data request form to the WDS.